Practice Definition - 4.1 | 8. Application of Calculus | ICSE Class 12 Mathematics
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Practice Questions

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Question 1

Easy

Identify if the function f(x) = 2x + 3 is increasing or decreasing.

💡 Hint: Check the derivative.

Question 2

Easy

What is the derivative of f(x) = 3x^2 + 5?

💡 Hint: Differentiate using power rules.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does it mean for a function to be increasing?

  • a) The outputs decrease as inputs increase
  • b) The outputs increase as inputs increase
  • c) There is no change in output
  • d) The function is constant

💡 Hint: Think about the definition of increasing functions.

Question 2

True or False: A local minimum occurs when the first derivative changes from negative to positive.

  • True
  • False

💡 Hint: Recall the first derivative test.

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Challenge Problems

Push your limits with challenges.

Question 1

A farmer has a rectangular piece of land with a fixed perimeter of 100 meters. Determine the dimensions that maximize the area of the field.

💡 Hint: Express width in terms of length and apply the area formula.

Question 2

Given the function f(x) = -3x^2 + 4x + 5, find the coordinates of the vertex and determine if it is a maximum or minimum.

💡 Hint: Use the vertex formula x = -b/(2a) for the maximum point of a parabola.

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